.grade {
    color: black !important;
}

.grade-a-plus {
    background-color: lime !important;
}

.grade-a {
    background-color: limegreen !important;
}

.grade-a-minus {
    background-color: mediumseagreen !important;
}

.grade-b-plus {
    background-color: yellow !important;
}

.grade-b {
    background-color: gold !important;
}

.grade-b-minus {
    background-color: goldenrod !important;
}

.grade-c-plus {
    background-color: orange !important;
}

.grade-c {
    background-color: darkorange !important;
}

.grade-c-minus {
    background-color: chocolate !important;
}

.grade-d-plus {
    background-color: tomato !important;
}

.grade-d {
    background-color: crimson !important;
}

.grade-d-minus {
    background-color: firebrick !important;
}

.grade-f {
    background-color: maroon !important;
}

.delta-green {
    color: limegreen
}

.delta-red {
    color: red
}